Alexander Stuart, 5th Earl of Moray KT (8 May 1634 – 1 November 1701), was a Scottish peer who held senior political office in Scotland under Charles II and his Catholic brother, James II & VII. He was first brought into government in 1676 by the Duke of Lauderdale, his relative by marriage; between 1681 and 1686, he played a prominent role in the suppression of Presbyterian radicals, known as "the Killing Time". He retained his position when James succeeded in 1685 and supported his religious policies, having converting to Catholicism in 1686.